Home / 53,743.68-74,167.81-31,080.51

Finding the Fourth Proportional to 53,743.68, 74,167.81 and 31,080.51

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Solution

The fourth proportional to 53,743.68, 74,167.81 and 31,080.51 is: 42,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,743.68 : 74,167.81 = 31,080.51 : x
  2. Step 2: Convert to fraction form
    53,743.68/74,167.81 = 31,080.51/x
  3. Step 3: Cross multiply
    53,743.68x = 74,167.81 × 31,080.51
  4. Step 4: Simplify right side
    53,743.68x = 2,305,173,282.68
  5. Step 5: Solve for x
    x = 2,305,173,282.68/53,743.68
  6. Step 6: Final answer
    x = 42,891.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.